The presence of dark-colored menstrual discharge, typically showing virtually black, generally is a regular incidence associated to the oxidation of blood. This oxidized blood usually happens when the circulate is slower, permitting extra time for the iron within the blood to react with oxygen. For example, it is typically noticed at the start or finish of a interval when blood circulate is lighter.
Understanding the potential causes is necessary for reproductive well being monitoring. Whereas typically benign, persistent or accompanied by different signs comparable to ache, fever, or uncommon odor, warrants medical analysis to rule out underlying situations. Monitoring menstrual cycle traits, together with shade, consistency, and circulate patterns, gives worthwhile insights into particular person well being and well-being.